我想在JSP页面上做一个下拉框,里面的内容是时间区间,时间是从2007-05-26开始
下拉框的内容如:
20070526~20070601
20070602~20070608
20070609~20070615
...
以此类推,一个选项中都是间隔7天
aaaaaaaa~bbbbbbbb当bbbbbbbb大于当前日期的时候,循环结束
这个问题想了很久还是没解决,请各位高手帮忙下,在线等~~~
下拉框的内容如:
20070526~20070601
20070602~20070608
20070609~20070615
...
以此类推,一个选项中都是间隔7天
aaaaaaaa~bbbbbbbb当bbbbbbbb大于当前日期的时候,循环结束
这个问题想了很久还是没解决,请各位高手帮忙下,在线等~~~
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt" %><jsp:useBean id="now" class="java.util.Date" />
<jsp:useBean id="now" class="java.util.Date" />
<fmt:parseDate var="past" value="05262007" pattern="MM/dd/yyyy" /><select name="week">
<c:forEach var="timeValue" begin="${past.time}" end="${now.time}" step="604800000l">
<option>
<jsp:setProperty name="it" property="time" value="${timeValue}" />
<fmt:formatDate value="${it}" type="date" dateStyle="full"/>~
<jsp:setProperty name="it" property="time" value="${it.time + 604800000l}" />
<fmt:formatDate value="${it}" type="date" dateStyle="full"/>
</option>
</c:forEach>
</select> 没试过,应该差不多。
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt" %><jsp:useBean id="now" class="java.util.Date" />
<jsp:useBean id="it" class="java.util.Date" />
<fmt:parseDate var="past" value="05262007" pattern="MM/dd/yyyy" /><select name="week">
<c:forEach var="timeValue" begin="${past.time}" end="${now.time}" step="604800000l">
<option>
<jsp:setProperty name="it" property="time" value="${timeValue}" />
<fmt:formatDate value="${it}" type="date" dateStyle="full"/>~
<jsp:setProperty name="it" property="time" value="${it.time + 604800000l}" />
<fmt:formatDate value="${it}" type="date" dateStyle="full"/>
</option>
</c:forEach>
</select> 没试过,应该差不多。
改正一下,第二个now应该是it.
------------
可以不可以帮忙下
有一点不确定的是,step 要用int,${past.time} 这是个long,不确定行不行。不行的话你就插点scriptlet。
[code]
<%@ page contentType="text/html; charset=GBK" import="java.util.*,java.text.*,bean.stu" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<html>
<head>
<title>
jsp1
</title>
</head>
<body>
<%
SimpleDateFormat format=new SimpleDateFormat("yyyyMMdd");
Calendar begin=Calendar.getInstance();
begin.set(Calendar.MONTH,4);
begin.set(Calendar.DATE,26);Calendar end=Calendar.getInstance();
end.set(Calendar.MONTH,11);
end.set(Calendar.DATE,20);ArrayList list=new ArrayList();
while(begin.getTime().before(end.getTime()))
{
String str=format.format(begin.getTime())+"~";
begin.add(Calendar.DATE,7);
str+=format.format(begin.getTime());
list.add(str);
begin.add(Calendar.DATE,1);
}pageContext.setAttribute("list",list);
%><select>
<c:forEach items="${list}" var="date">
<option>${date}</option>
</c:forEach>
</select>
</body>
</html>
[/code]
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<html>
<head>
<title>
jsp1
</title>
</head>
<body>
<%
SimpleDateFormat format=new SimpleDateFormat("yyyyMMdd");
Calendar begin=Calendar.getInstance();
begin.set(Calendar.MONTH,4);
begin.set(Calendar.DATE,26);Calendar end=Calendar.getInstance();
end.set(Calendar.MONTH,11);
end.set(Calendar.DATE,20);ArrayList list=new ArrayList();
while(begin.getTime().before(end.getTime()))
{
String str=format.format(begin.getTime())+"~";
begin.add(Calendar.DATE,7);
str+=format.format(begin.getTime());
list.add(str);
begin.add(Calendar.DATE,1);
}pageContext.setAttribute("list",list);
%><select>
<c:forEach items="${list}" var="date">
<option>${date}</option>
</c:forEach>
</select>
</body>
</html>